Báo cáo lâm nghiệp: "Effects of exogenous ABA on photosynthesis and stomatal conductance of cut twigs from oak" doc

... 1174-1181 Results Effects of cutting Cutting caused an immediate and steep decrease in stomatal conductance (g) and net C0 2 assimilation (A) (Fig. 1 and a rapid increase of water potential ... this suggests that ,ABA affects both stomatal conductance and mesophyll assimilation. Discussion Cutting promoted quite immediate reac- tions by leafy...

Ngày tải lên: 09/08/2014, 04:20

... surements of upper and lower leaf sur- faces (Fig. 2). For both clones and treat- ments, gs sat shows its maximal value on fully expanded leaves. The optimal ... cv. Beaupr6 and LPI 12 for cv. Robusta. On the whole, acid rain caused a decrease of stomatal conduc- tance; gs sat was reduced by 24.0% for cv. Beaupr6 and by 15.4% ... D.F...

Ngày tải lên: 09/08/2014, 04:20

... separation its recession limb and determining only the runoff con- stituents and their comparison also in the process of time. Similarly, the influence of land use changes on the ratio of runoff ... regenerated forest stand. Under such conditions, the fluctuation of runoff can be related to the loss and restoration of both interception and transpiration. On the other hand,...

Ngày tải lên: 07/08/2014, 03:22

... increased consumption of food in the creation of a fat body in females of Lochmaea caprae (L.) Differences of imagoes in the consumption of food in particular variants cannot be confronted with ... Weevils of the genus Phyllobius – consumption of food on birch affected by differentiated inputs of nitrogen Fig. 7. e weight of the dry matter of birch leaves affected by th...

Ngày tải lên: 07/08/2014, 10:21

... Research Intention of the Institute of Systems Biology and Ecology, Academy of Sciences of the Czech Republic. Effects of spruce, beech and mixed commercial stand on humus conditions of forest soils T. ... 119 JOURNAL OF FOREST SCIENCE, 55, 2009 (3): 119–126 e condition and form of humus in forest man- agement are among key factors affecting the condi- tion and growth...

Ngày tải lên: 07/08/2014, 10:21

... Arling- ton VA, 1984. Nursery production of containerised P. pinea 819 (1.8 g L –1 ) and the micronutrients preparation Fetrilon (0.12 g L –1 ) and Hortrilon (0.28 g L –1 ) (Basf, Barcelona, Spain) ... III). 3.3. Concentration of nutrients in needles When the concentration of nutrients in needles was ana- lysed, interaction between inoculation and type of substrate was observed,...

Ngày tải lên: 08/08/2014, 00:22

... determine whether the use of different techniques of site preparation influenced the development of different types of vegetation. On the one hand, the specific composition of the twelve sampled ... degrada- tion and desertification induced by vegetation removal in a semia- rid environment, Soil Use Manage. 14 (1998) 1–5. [2] Anderson D.C., Ostler W.K., Revegetation of degrade...

Ngày tải lên: 08/08/2014, 00:22

... ha of spruce stands were calculated, then these data were analysed with regard to the temporal dynamics of the outbreak and the distribution of attacked stands in relation to slope position and ... to the zonation of attacked areas based on their naturalness and ecological stabil- ity [27]. Intensive salvage cutting along with the widespread use of trap trees and low inten...

Ngày tải lên: 08/08/2014, 00:22

... position on the parent shoot of the most proximal offspring shoot, (2) diameter of the thickest offspring shoot, (3) length of the longest offspring shoot, (4) number of leaves of the largest offspring ... preformation distribution among buds on the same parent shoot. Neither of the treatments applied at the peak of offspring shoot growth altered the sums of diameters, le...

Ngày tải lên: 08/08/2014, 00:22

... each measuring date using one-way analysis of variance followed by Bonferroni’s multiple comparisons. One-way analysis of variance followed by Bonferroni’s multiple comparisons was also used to test ... force of electron transport to the reduction of the redox state of the primary electron acceptor of PS II, which is approximated by 1–q P . Figure 4 also illustrates an estimate o...

Ngày tải lên: 08/08/2014, 00:22